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VT5366
1.8V Optical mouse sensor
Data Brief
Feature summary

Pin compatible with VT5364 Can be used (with external MCU) in all optical mouse applications Single +1.8V supply Very low power operation, enabling long battery life CPI programmable up to 3200 (default 800 cpi) Up to 9,600 frames per second Tracking at up to 40 ips I2C Interface On-chip ADC for voltage level reporting Proven, high volume package technology smallest package currently available on market Minimal external circuitry Suitable for use with both LED and laser (VCSEL) light sources
The VT5366 sensor operates over a wide range of illuminant wavelengths. For devices operating at approximatively 850 nm (IR LED or VCSEL), the on-die automatic exposure controller (AEC) compensates for the change in sensitivity compared to 640nm (red LED). Motion performance can be improved by increasing the current supplied to the navigation LED.
Applications
USB/PS2, Wireless & BlueTooth Optical Mouse
Technical specifications
Resolution Pixel size Array size Frame rate High speed motion detector Clock Supply voltage Supply current CPI programmable up to 3200. Default 800 30.4 m 20*20 pixels Up to 9,600 frames/second Accurate motion up to 40 ips 6MHz 1.8V Run (9.6 Kfps) - 9 mA Power down - 10 A typ. excluding LED
Description
The VT5366 has been designed for pin to pin compatibilty with the VT5364(a) and is STMicroelectronics first generally available chip for use in all optical mice applications (USB/PS2, Wireless - 27MHz/2.4GHz and BlueTooth). The device has been designed to provide long battery life whilst enabling excellent navigation control and precision on a wide range of surfaces. Housed in the smallest, currently available, package (7mmx7mm), the chip is suitable for use in small form-factor mice demanded by laptop users. Minimal external circuitry is required thereby reducing BOM and assembly costs.
Operating temperature [0: 60] C Package type 7*7mm 32 lead LOQFP (Low profile Optical Quad Flat Pack)
Order codes
Part number VT5366V032
a. To make use of the new battery level function the PCB and firmware will need to be modified
Package 32-lead LOQFP
June 2006
Rev 2
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For further information contact your local STMicroelectronics sales office.
VT5366 Figure 1. VT5366 system block diagram
Power supply (1.8V)
VLevel AVDD DVDD
Pixel Array
MCU
Controller
VT5366
SDA SCL Power Down Motion X0
RF Modulator + Amp
LED control
XI 6MHz resonator
Buttons/ Scroll Wheel
TRK_LED
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VT5366 Figure 2. LQFP32 Clear resin body 7.0 x 7.0 x 1.40 footprint 1.0
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Revision history
VT5366
Revision history
Table 1.
Date 17-Mar-2006 13-Jun-2006
Document revision history
Revision 1 2 Initial release. Changes
Technical specifications: Updated supply current values.
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VT5366
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